No problem, we've got 81094948 and 67217468 to multiply
81094948 × 67217468 = 67217468 × (81094948)
+ 67217468 × 8 which equals 537739744
+ 67217468 × 40 that equals 2688698720
+ 67217468 × 900 that results in 60495721200
+ 67217468 × 4000 giving us 268869872000
+ 67217468 × 90000 what gives us 6049572120000
+ 67217468 × 000000 producing 0
+ 67217468 × 1000000 producing 67217468000000
+ 67217468 × 80000000 yielding 5377397440000000

= 5450997072151664
